1303020233121 has 4 divisors (see below), whose sum is σ = 1737360310832. Its totient is φ = 868680155412.

The previous prime is 1303020233107. The next prime is 1303020233129. The reversal of 1303020233121 is 1213320203031.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 1303020233121 - 2⁶ = 1303020233057 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1303020233129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 217170038851 + ... + 217170038856.

It is an arithmetic number, because the mean of its divisors is an integer number (434340077708).

Almost surely, 2^{1303020233121} is an apocalyptic number.

It is an amenable number.

1303020233121 is a deficient number, since it is larger than the sum of its proper divisors (434340077711).

1303020233121 is an equidigital number, since it uses as much as digits as its factorization.

1303020233121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 434340077710.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 1303020233121 its reverse (1213320203031), we get a palindrome (2516340436152).

The spelling of 1303020233121 in words is "one trillion, three hundred three billion, twenty million, two hundred thirty-three thousand, one hundred twenty-one".